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/ hair science

How Fortification + Repair Are Different (And Why You Need Both!)

What these terms mean and how K18REPAIR™ delivers both for healthier hair through every transformation.
/ business, video

Build Your Business Like a PRO With K18REPAIR™

How to make more money with every service and keep clients coming back by delivering healthier hair through every transformation.
/ hair science

The Science of Heat Protection by Oil

How hot tools impact hair on the molecular level, the role of lipids, and the surprising way to prevent damage with biotech.
/ products, video

How to Perform K18REPAIR™ in Every Service

Top celebrity stylists break it down step-by-step for better, longer-lasting salon results—every time.
/ hair science

The Truth Behind Tangles

Plus, the science-backed routine for smooth hair inside + out.
/ business, video

4 ways K18REPAIR™ builds your salon business

Why top stylists trust this exclusive service to deliver results and keep clients coming back.